sorting - How to Sort Date in ArrayList in Java -


this question has answer here:

i have map< string,arraylist< bonusentity > > here key empid of employee , key contains list< bonusentity >

bonusentity contains following fields(all fields string)

empid bonusdate bonusamount dept

i need sort arraylist in map based on bonusdate descending order,can in advance.

you should create comparator applies class bonusentity , use via collections.sort method.


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